AJIT1258
The purpose of the respiratory system is to perform gas exchange. Pulmonary ventilation provides air to the alveoli for this gas exchangeprocess. At the respiratory membrane, where the alveolar and capillary walls meet, gases move across the membranes, with oxygen entering the bloodstream and carbon dioxide exiting.
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AJIT1258
Gas exchange is the physical process by which gases move passively by diffusionacross a surface. For example, this surface might be the air/water interface of a water body, the surface of a gas bubble in a liquid, a gas-permeable membrane, or a biological membrane that forms the boundary between an organism and its extracellular environment.
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Answer:
answer is diffusion
Explanation:
the principle involved in gaseous exchange is diffusion oxygen moves inside the alveoli and carbon dioxide moves out of the alveoli